yǒu​xiào​shù​zì

significant digits

有效数字 有效數字 yǒu​xiào​shù​zì
significant digits
the digits from one to nine, as opposed to zero
significant figures
the digits of a number that carry meaningful information about its measurement precision, determined by the reliability of the measurement

Frequency

Written text
0.087 per million

Sources

Frequency data
BCC Corpus (BLCU)